Duplicating-machine.



H. G., LIEBBNTHAL.

DUPLIGATING MACHINE. APPLIoA'rIon FILED oo'r.11. 1912.

1,048,551 Patend'nec. 31, 1912.

HERMAN Cr. LIEBENTHAL, F PHILADELPHIA, PENNSYLVANIA.

DUPLICATING-MACHINE.

Specification' of Letters Patent.

ifaientef'liice.s1,1912.

Application filed October 11, 1912. Serial No. 725,145.

To fdl fui/min, it 1u (1,3/ concern Be it known that I, HERMAN (l. LinnnN- rime, oil Philtulelphia, inthe State ot Pennsylvania, have invented a certain new and useful Improvement in Duplicatinnjlachinos, whereof the` following is a` specilication,.reierence being ha'd to the apeompanying drawings.

My improvement is particularly applicable te printing machines ot the type known commercially as the h'lultigraph conrln'ising a rotary printing cylinder havimgY a series olf luider-ent channels in perimeter extending parallel with its axis to receive complementary shaped l'langed typewhieh said cylinder presents in opposition tothe other member et the printing couple. As ordinarily (':onsti-luieted, the only means with which such a machine is provided 'for printing lines at right angles to the lines of letter type consists ot type litted to the channels and haring: dash taces. (lo-usentiently,a series otsueh separate type 'must lie/'used to print a line olf lgreater extent than the dash carried by the Atace ot' a single type, and, unless said line `,type are accurately setA and provided ,with means to hold them iu alinemeut they printa brok'en Aline instead ol. the contimious line desired.

Therefore, it is the'objeet of my invention to provide such a machine with meanstoI present a continuous printing taceto print lines at right angles to the lines of words, and. as hereinafter described, such means iin-tudes a rule strip curved to lit circuml'ereulially' upon said printing cylinder and preferably having means tilting in said undercut channels thereof adapted to .retain it in set position.

My invention eomprisesllie various novel features ol construction and arrangement hereinatter more definitely specified.

Tn the drawings: Figure l is a side elevation of av rotary printing -cylimler and a reciprotjfatory plane platen, sucl as are employed in a machine ot the type specified. Fig. 'll is a 'fragmentary plan yiew of a portion ot' lsaid cylinder with lettertype and rule strips set therein. Fin'. l ll is an end view ot the elements shown in Figyll Fig. lV is a. detached view ot a complete rule strip such as shown at. the left hand side of Figs. ll and lll', but on a smaller scale. Fie'. V is a detached View ot a complete rule strip such as shown at `the right hand side oft Figs. Il and III, but on a smallerJ scale. Fig". VI is a sectional view of said strip taken on the.line VI, VI, in Fig. V.

In said drawings; the rotary printing cylinder l, has the un'dereut channels 2, extendingr in its perimeter parallel with its axis, and, each type 3, l, and 5, is provided 'with flanges complementary,to and fitted in said channels. curved to tit: the circumference of said cyl.- inder il is held thereon between said type merely by frictional engagement of its flanges 9 therewith; said type being clamped together in the direction of the length o'l the lilies ol" words by any suitable means. llowever, the rule strip l1 which is likewise curved to lit the circumference of said cylinder'l and provided with flanges Yl2 for engagement between said'type, is also providetfl with lugs lft which lit in said undercut channels 2 so as to be retained by the overlappingr ledges engagilkig the flanges iti on said lugs; 'so that said strip l1 may be retained on the cylinder indepemlently ot said type. It may be observed that the tlanges l) and lf2 ot said strips 8 and 1l, which extend'in contact with the eircuinference ot said cylinder l support the printingg,F edges 1S and 19 oit said strips 8 and l1 in a plane at right angles to the'perimeter of said cylinder l so as to insure the rectitu'de oil the lines printed bysaid strips; I find it convenient vto make the rule strips above described, by rollingY them from brass or other suitable metalwith the respective flanges E) and l2 thereof straight and then ,cm-vine` lsaid stripsI to tit saidfcyliitder, by

another rollingl operation. llowever, it is to be uudersttuul that said strip may be otherwise manutai-lured, Ytor instance. they may be cast o'l ordinary type metal or other suitable u laterial.

li'heu the `type hare been assembled in said cylinder 1 in the desired relation the inked ribbon l0 is drawn over the type faces and secured by connection with the rollers 2l and Q9. which are mounted in said cylinder as 'indieated in Vig'. l, so that when a sheet ot paper is `interposed between' the platen and said cylinder and the latter turned until the platen is shifted to the position shown'in dotted lines in Fig; I, said sheet is imprinted with an impression made 'from said type and rule strips through said inked ribbon.

,l do not desire to limit myself to the precise details of construction and arrangement The rule strip 8 being 'zov ,"claims.

above described, as it is obvious that various.`

modications vmay be made' therein. without.

'departing from the essential "featuresqof my'invention, as definedin the appended I claim I i 1. In a duplicating.. machine,A the! combination with a rotary printing druin having a pluralityof undercut channels in its periphery, of type having ianges fitted in said channels; and, a rule vstrip having-a printing surface curved in concentric relation with said' drum, held between said anged type, having supporting l. flanges extending laterally upon opposite' sides of said printing 4surface and bearing upon said drum,

and,.lugs on said rule strip' lit-ted vin said channels and having flanges engaged by the everhanging ledges in said channels.

In a duplicating machine, the combiation with a rotary pninting'drum having a plurality of undercut channels inits p'e'- riphery, of type having flanges -litted in said channels; and, arule stripehaving a printlng surfacecurved in concentricrelation withsa-id drun'i,held between said.A flanged type, having supporting angesv extending laterally upon opposite sides of said printing .s'urfacel and bearingv u pon Said' drum,'. fllig@ :in Said and, r.lugs on said rule strip channels.

3. Inaduplicating machine, the"combina r`tionwitha rotar rintin drum having a plurality'lot undercut channels inits yperiphery,.1of type having flanges litted in said channels; and,l a rule strip having a printing surface `curved in concentric re- 'lation with said drum, held between said flanged type, and having-supporting flanges extending laterally upon opposite sides of said printing surface and bearing' upon said drum.

4'. In a duplicating machine, the combina Copies oi this patent may be obtained. for

riphery, of type having vania this tenth day of October, 1912.

Pfive cents each, 4by addressing the Commissioner of Patents, Washington, D. C.

tion with a' rotary printing drum having 'a plurality of undercut channels 'in its pesaidfchannels; and., a rule strip having a in concentric relaprinting surface durved;

held between said tion with said drum,

flanged type, having lugs itted in said channels and having flanges-engaged by the overhanging ledges in said channels.

6. In a duplicating machine, the combination'with a rotary printing drum having a plurality of undercut channels in its periphery,lof type having flanges ,tit-ted in 'said channels and, a rule strip having a printing surface curved in concentric relation with said drum, held between said flanged type, and having lugs'tted in said channels.

f .7. In a duplicating machine, the combina- -tion withla rotary printing drum having a plurality of undercut channels in its pe- .r'iphery, of type having flanges itted in. said channels; and7 a rule strip having a printing surface -curved in concentric relation with said drum, having means 4connecting it with said drum --independently ot said type.

In' testimony whereof, I have hereunte signed my naine at Philadelphia, Iennsyh HERMAN e.` Linsnnrnan Witnesses: Atari-inn E. l Ame ANNA Isnannvrra 

